From patchwork Fri Mar 15 15:21:00 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Carpenter X-Patchwork-Id: 13593614 Received: from mail-wm1-f53.google.com (mail-wm1-f53.google.com [209.85.128.53]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D311D18035 for ; Fri, 15 Mar 2024 15:21:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.53 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710516069; cv=none; b=StdQzBwy4fjPKyhlL4aLE+67J2MjhG29ckpALqYIeGBUMP17qM8lQg4I5Ewcrc9+cSLLBlRY05v6TyISFxDwHhst5Uk+8eblnD5NK4XyWzFi5QmkbIfgZyos5USP+SH3eM9zilgxsGc9o7j1Ew2e7R9RXER86Q8/OcXieZtsSCo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710516069; c=relaxed/simple; bh=oQSU8jjDxqSIS8TDvT+ZEvcNLa1hjhhovpfiAu/AtGE=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=eXCadaB6T2AzJcbCtIDBQhSMYBEa5AlYYhkdAK7To1i+fUWPGDQXlhToTSW1rFMArhcvYzUEgUmnNybO/WK1Sk7XrR+dIQO5wSvFWE5sXdM9zRz3d5kTJLffQ3X/FkL9yCSFvSG8DTiEorGg9DZvuV7U4Ph7xP9V7GD3w8JqvuE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=nr67b5Y0; arc=none smtp.client-ip=209.85.128.53 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="nr67b5Y0" Received: by mail-wm1-f53.google.com with SMTP id 5b1f17b1804b1-41403b203e0so3058555e9.3 for ; Fri, 15 Mar 2024 08:21:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1710516064; x=1711120864; darn=vger.kernel.org; h=content-disposition:mime-version:message-id:subject:cc:to:from:date :from:to:cc:subject:date:message-id:reply-to; bh=ZYKXoXyTZp5ci3YSNMbewaGpFg016n+QUTmPiNKutP8=; b=nr67b5Y00FpstdzWyaItuqUA+vzNDjKC74oTSeoDviOHdgGgzmHLGvU9D844S3caz8 kgvzMrmwmLkLgiR1x4MkqRAdxkTzdeD+7U5OhD1j0x1l/W+KjrMTZu3RrzB59bsLbQ6h r0M38PMSTxoq/Lmfv7psSYUb3mkJSYmixKEsUgbLrlUOVKI1y3vc/TIq+9I4a76lLKuP U+PkpEagJhWDWYDBj15zvN4cdADt7XtiZam7KS3TuBRBEmo76POOMtK4AnkzZ9FG3Dig 9EBPo9xiQBRR+wEeEZm8C+PmBdPrvrgqXODDnBCbOmJXOyEOHudKOHBXbH8V0yjRsbry LiyQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1710516064; x=1711120864; h=content-disposition:mime-version:message-id:subject:cc:to:from:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=ZYKXoXyTZp5ci3YSNMbewaGpFg016n+QUTmPiNKutP8=; b=a3lj5WmmqQgwY81OPUKZ1AMgVMXFxl46noGg6rGdqOieVnTr5HDMB0ueHoUcE3BY6i lroBb8ZjaWMEnkOqBDAn9cye5P+m2nO3qCBi8S80PFt5I8n7WH0qtraam/VAqn/MBSnW qIjBILH/umUgG/z+zPJVDsOlfWZ/O0kO/lPLBFaki69r2hXHnMP2+hUkf5986sVKG1Qy 95qfZYkZ2xvK36ZtJa3kty/fmdvyE5hrp3EYdM0RbfhAzn2rJeMJVtyenrW6k6qH7vz+ I6EoFGkMtQkpXstE81cSaMdKoQQ9B0EbjRdIijKAKv4bYAS85tFDw/FiusyKiSiQURtA 9Xlw== X-Forwarded-Encrypted: i=1; AJvYcCX2JviInq0fNfHczjbH6/J5rG86zS4DGHsPxG6diQt3GGO8/pUQM1ogdWJSUNGh8xVtKCiNtqQNOzqVz9sTM/AAXlwWCAAV11Nz X-Gm-Message-State: AOJu0YxOj7W6uJWYeSecil2RlPvapp6PurcwM9A4iaXo0pnwPVxsnrj+ KGIE3+4PE92O4eApPsiEkTbMqyBOu7OyWUYT8K/7uy+7oJDkMpFThBDy4SX5Ifk= X-Google-Smtp-Source: AGHT+IEcaJ72Qyr1XY7S8v6ZEeNlHEDW0NpxpQP3hzbLmJpU6iEGgDon3kkU7qm+Qmk7GrjsL7dbSg== X-Received: by 2002:a5d:6b0d:0:b0:33e:c2ea:5e1f with SMTP id v13-20020a5d6b0d000000b0033ec2ea5e1fmr3133725wrw.0.1710516064137; Fri, 15 Mar 2024 08:21:04 -0700 (PDT) Received: from localhost ([102.222.70.76]) by smtp.gmail.com with ESMTPSA id dd12-20020a0560001e8c00b0033eab3520a9sm3402524wrb.43.2024.03.15.08.21.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 Mar 2024 08:21:03 -0700 (PDT) Date: Fri, 15 Mar 2024 18:21:00 +0300 From: Dan Carpenter To: Mathias Nyman Cc: Greg Kroah-Hartman , Andy Shevchenko , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: [PATCH] usb: usb-acpi: fix uninitialized variable in usb_acpi_get_connect_type() Message-ID: Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline X-Mailer: git-send-email haha only kidding The "pld" pointer is uninitialized if acpi_get_physical_device_location() fails. Initialize it to NULL. Fixes: f3ac348e6e04 ("usb: usb-acpi: Set port connect type of not connectable ports correctly") Signed-off-by: Dan Carpenter --- drivers/usb/core/usb-acpi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/core/usb-acpi.c b/drivers/usb/core/usb-acpi.c index f250dfc3b14d..2aeeaa389380 100644 --- a/drivers/usb/core/usb-acpi.c +++ b/drivers/usb/core/usb-acpi.c @@ -153,8 +153,8 @@ usb_acpi_get_connect_type(struct usb_port *port_dev, acpi_handle *handle) { enum usb_port_connect_type connect_type = USB_PORT_CONNECT_TYPE_UNKNOWN; struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + struct acpi_pld_info *pld = NULL; union acpi_object *upc = NULL; - struct acpi_pld_info *pld; acpi_status status; /*